Anthem RS232 Plugin for Indigo

Control Anthem processors (Statement D1, D2, and AVM50) from Indigo over RS232 using a Global Caché IP2SL.

Overview

This plugin provides Indigo control and status feedback for supported Anthem processors, including multi-zone operation, source selection, volume control, mute, processing mode selection, channel trims, and record output routing.

Features

• Zone 1, Zone 2, and Zone 3 control
• Power, source, volume, and mute control
• Proper per-zone command handling
• Channel trim control for Front, Center, Surround, Sub, LFE, and more
• Trim step up and step down controls
• Processing mode selection including Dolby, DTS, THX, AnthemLogic, and others
• Live processing mode feedback
• Record output (Zone 4) control
• Configurable debug logging with RS232 TX/RX visibility
• Organized Indigo action groups for Z1, Z2, and Z3
• Status request button for processor and zone refresh

Requirements

• Indigo 2025.1 or later
• Anthem processor with RS232 control:
  • Statement D1
  • Statement D2
  • AVM50
• Global Caché IP2SL serial adapter
• Network access to the IP2SL on TCP port 4999

Installation

1. Download the latest plugin release zip.
2. Double-click the plugin zip or the included .indigoPlugin file to install it into Indigo.
3. Restart Indigo if prompted.

Configuration

1. In Indigo, create a new device using the Anthem RS232 plugin.
2. Enter the IP address of your Global Caché IP2SL.
3. Set the port to 4999.
4. Set the command terminator to LF (\n) if needed.
5. Select the processor model:
   • D1
   • D2 / AVM50

The plugin will automatically create the appropriate child zone devices.

Usage

Main Controls

The plugin supports the following control functions:

• Power on and off
• Source selection
• Volume up, down, and set
• Mute
• Processing mode selection
• Channel trim adjustment
• Record output routing

Action Groups

You can use Indigo action groups for common tasks such as:

• Zone 1 basic controls
• Zone 2 basic controls
• Zone 3 basic controls
• Zone 1 trim controls
• Zone 1 processing mode changes
• Record output routing

Control Pages

The plugin is suitable for Indigo control pages using states and actions such as:

• Volume
• Source
• Processing mode
• Trim adjustments
• Power status

Status Refresh

The plugin includes a status request control for refreshing device state.

• On the main processor device, it triggers a full processor refresh.
• On zone devices, it triggers a zone-specific refresh.

Debug Logging

The plugin supports selectable logging levels:

Normal

Shows clean operational logs without raw RS232 traffic.

Debug

Shows detailed RS232 transmit and receive logging for troubleshooting and development.

Notes

• Zone 1 uses the P1VM volume command family.
• Zone 2 uses the P2V command family.
• Zone 3 uses the P3V command family.
• The plugin handles the command differences between zones automatically.

Release Information

Current public repository release: v1.0

For downloads and release notes, see the repository Releases section.

License

This project is licensed under the MIT License. See the LICENSE file for details.

Credits

Developed by Korey Sherwin & Chat.

Built through real-world testing with Anthem processors and Global Caché IP2SL hardware.